EP4395309C0 - VISUAL DETECTION DEVICE, ASSOCIATED CALIBRATION METHOD AND ASSOCIATED CAMERA CALIBRATION ELEMENT - Google Patents

VISUAL DETECTION DEVICE, ASSOCIATED CALIBRATION METHOD AND ASSOCIATED CAMERA CALIBRATION ELEMENT

Info

Publication number
EP4395309C0
EP4395309C0 EP23751520.0A EP23751520A EP4395309C0 EP 4395309 C0 EP4395309 C0 EP 4395309C0 EP 23751520 A EP23751520 A EP 23751520A EP 4395309 C0 EP4395309 C0 EP 4395309C0
Authority
EP
European Patent Office
Prior art keywords
detection device
visual detection
calibration method
calibration
camera calibration
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP23751520.0A
Other languages
German (de)
French (fr)
Other versions
EP4395309B1 (en
EP4395309A1 (en
EP4395309A4 (en
Inventor
Zhipeng Zhang
Ziyang Shen
Yong Chen
Ping Jiang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Contemporary Amperex Technology Hong Kong Ltd
Original Assignee
Contemporary Amperex Technology Hong Kong Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN202223035724.9U external-priority patent/CN218941186U/en
Application filed by Contemporary Amperex Technology Hong Kong Ltd filed Critical Contemporary Amperex Technology Hong Kong Ltd
Publication of EP4395309A1 publication Critical patent/EP4395309A1/en
Publication of EP4395309A4 publication Critical patent/EP4395309A4/en
Application granted granted Critical
Publication of EP4395309B1 publication Critical patent/EP4395309B1/en
Publication of EP4395309C0 publication Critical patent/EP4395309C0/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N17/00—Diagnosis, testing or measuring for television systems or their details
    • H04N17/002—Diagnosis, testing or measuring for television systems or their details for television cameras
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/93—Detection standards; Calibrating baseline adjustment, drift correction
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B43/00—Testing correct operation of photographic apparatus or parts thereof
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/0002—Inspection of images, e.g. flaw detection
    • G06T7/0004—Industrial image inspection
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/80—Analysis of captured images to determine intrinsic or extrinsic camera parameters, i.e. camera calibration
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50—Constructional details
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50—Constructional details
    • H04N23/51—Housings
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50—Constructional details
    • H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Theoretical Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Quality & Reliability (AREA)
  • Biomedical Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
EP23751520.0A 2022-11-15 2023-03-08 Visual detection device, calibration method therefor, and camera calibration member thereof Active EP4395309B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202223035724.9U CN218941186U (en) 2022-11-15 2022-11-15 Camera verification parts and visual inspection equipment
PCT/CN2023/080211 WO2024103576A1 (en) 2022-11-15 2023-03-08 Visual detection device, calibration method therefor, and camera calibration member thereof

Publications (4)

Publication Number Publication Date
EP4395309A1 EP4395309A1 (en) 2024-07-03
EP4395309A4 EP4395309A4 (en) 2024-08-14
EP4395309B1 EP4395309B1 (en) 2026-03-11
EP4395309C0 true EP4395309C0 (en) 2026-03-11

Family

ID=91027696

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23751520.0A Active EP4395309B1 (en) 2022-11-15 2023-03-08 Visual detection device, calibration method therefor, and camera calibration member thereof

Country Status (2)

Country Link
US (1) US20240163418A1 (en)
EP (1) EP4395309B1 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106780625B (en) * 2016-12-19 2019-12-13 南京天祥智能设备科技有限公司 Multi-objective camera calibration device
DE102016125642A1 (en) * 2016-12-23 2018-06-28 Wipotec Wiege- Und Positioniersysteme Gmbh Testing and / or adjusting a camera, in particular a digital camera, by means of an optical test standard
WO2019090703A1 (en) * 2017-11-10 2019-05-16 唐佩福 Calibration device
CN111462253B (en) * 2020-04-23 2025-03-21 群滨智造科技(苏州)有限公司 Three-dimensional calibration plate, system and calibration method suitable for laser 3D vision
CN113888626B (en) * 2021-09-27 2024-11-26 湖南大学 Inertial measurement unit and line scan 3D camera online joint calibration device and method

Also Published As

Publication number Publication date
US20240163418A1 (en) 2024-05-16
EP4395309B1 (en) 2026-03-11
EP4395309A1 (en) 2024-07-03
EP4395309A4 (en) 2024-08-14

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